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Finding the Fourth Proportional to 273,000.60, 409,500.90 and 255,285.90

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Solution

The fourth proportional to 273,000.60, 409,500.90 and 255,285.90 is: 382,928.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,000.60 : 409,500.90 = 255,285.90 : x
  2. Step 2: Convert to fraction form
    273,000.60/409,500.90 = 255,285.90/x
  3. Step 3: Cross multiply
    273,000.60x = 409,500.90 × 255,285.90
  4. Step 4: Simplify right side
    273,000.60x = 104,539,805,807.31
  5. Step 5: Solve for x
    x = 104,539,805,807.31/273,000.60
  6. Step 6: Final answer
    x = 382,928.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.